Communication apparatus and the electronic apparatus
2016
The invention is directed to a communication device and an electronic device. The communication device includes an antenna, a frequency dividing circuit, and at least one variable impedance circuit. The frequency dividing circuit has a common port coupled to the antenna and at least one output port. The frequency dividing circuit is configured to divide a frequency range received from the common port into a plurality of frequency sub-ranges and output at least one of the frequency sub-ranges respectively at the at least one output port. Each variable impedance circuit is coupled between a corresponding one of the at least one output port of the frequency dividing circuit and a respective first reference voltage. Each variable impedance circuit provides a respective variable impedance value switched between different respective impedance values. The communication device is advantageous in that harmonic interference in the communication device can be effectively eliminated.
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